https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118038
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Gero from comment #7) > Hello Andrew, > Ok. Could you give me a solution that I can use? Various attempts on my part > have so far been unsuccessful. The only workaround is not to use bit_cast to long double with these specific values . What are you trying to do anyways?